Home / 11,019.08-16,439.24-10,115.92

Finding the Fourth Proportional to 11,019.08, 16,439.24 and 10,115.92

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Solution

The fourth proportional to 11,019.08, 16,439.24 and 10,115.92 is: 15,091.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,019.08 : 16,439.24 = 10,115.92 : x
  2. Step 2: Convert to fraction form
    11,019.08/16,439.24 = 10,115.92/x
  3. Step 3: Cross multiply
    11,019.08x = 16,439.24 × 10,115.92
  4. Step 4: Simplify right side
    11,019.08x = 166,298,036.70
  5. Step 5: Solve for x
    x = 166,298,036.70/11,019.08
  6. Step 6: Final answer
    x = 15,091.83

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.